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The Alliance for Telecommunications Industry Solutions, 07/01/2011
Publisher: ATIS
File Format: PDF
$124.00$248.20
Published:01/07/2011
Pages:18
File Size:1 file , 280 KB
Note:This product is unavailable in Ukraine, Russia, Belarus
NPA Allocation Plan and Assignment Guidelines
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Description of Above-Baseline Physical Threats to Telecommunications Links
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Number Portability Switching Systems
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